维护者确认：Arch 门 — sanitize XD Gateway Grok tools

## 维护者确认请求

**PR**: [#2487](https://github.com/makecindy/cindy/pull/2487) fix(desktop): sanitize XD Gateway Grok tools
**作者**: @tiammomo
**触发**: arch — core-paths（核心路径改动 247 行 ≥ 150）

### 改动范围
- `apps/desktop/src/main/maker-host/codex-proxy-host.ts`
- `apps/desktop/src/main/maker-host/__tests__/codexProxyHost.test.ts`

### 确认方式
请维护者（dashhuang / DavidShenXD / fmfsaisai / kirozeng / magiclizi / xdanger / zqchris）直接在 PR 上 **Approve** 即可放行；如需修改请 **Request Changes**，作者改完后重新 Approve。

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关联 PR:#2487(作者 @tiammomo);本 issue 由 review-pr 流程自动创建,用于先讨论该 PR 涉及的技术架构调整,维护者确认后 PR 会恢复推进。

The proposed change is already in PR #2487 and covers apps/desktop/src/main/maker-host/codex-proxy-host.ts plus apps/desktop/src/main/maker-host/__tests__/codexProxyHost.test.ts. Read the PR and run the named test before reviewing the core-path changes; done means a listed maintainer approves the PR or requests changes.

Written by the indexing model from the issue text.